16666753241 has 16 divisors (see below), whose sum is σ = 18196531200. Its totient is φ = 15205091328.

The previous prime is 16666753223. The next prime is 16666753249. The reversal of 16666753241 is 14235766661.

It is a cyclic number.

It is not a de Polignac number, because 16666753241 - 2¹⁸ = 16666491097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16666753249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171545 + ... + 250521.

It is an arithmetic number, because the mean of its divisors is an integer number (1137283200).

Almost surely, 2^16666753241 is an apocalyptic number.

It is an amenable number.

16666753241 is a deficient number, since it is larger than the sum of its proper divisors (1529777959).

16666753241 is a wasteful number, since it uses less digits than its factorization.

16666753241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79408.

The product of its digits is 1088640, while the sum is 47.

The spelling of 16666753241 in words is "sixteen billion, six hundred sixty-six million, seven hundred fifty-three thousand, two hundred forty-one".